Solventless plasticizer-resistant vinyl electrical tape
Assignee3M Innovative Properties Company
InventorsRafael Garcia-Ramirez, David V. Mahoney, Steven O. Ward
Life of this patent
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Abstract
A composition useful as a primer layer for a vinyl backed adhesive tape comprising at least one epoxidized conjugated diene polymer having a minimum concentration of epoxidized units of at least about 3% provides increased anchorage of an adhesive to the plasticized vinyl backing.
Claims15
An adhesive tape comprising a plasticized polyvinyl cbloride backing bearing on at least one major surface thereof a solventless primer comprising at least one epoxidized conjugated diene polymer having a minimum concentration of epoxidized units of at least about 3%, said primer bearing thereon an adhesive.
An adhesive tape comprising a plasticized polyvinyl chloride backing bearing on at least one major surface thereof a solventless primer comprising at least one epoxidized styrene-butadiene copolymer having a minimum concentration of epoxidized units of at least about 3%, said primer bearing thereon an adhesive.
An adhesive tape comprising a plasticized polyvinyl chloride backing bearing on at least one major surface thereof a solventless primer comprising at least one epoxidized polybutadiene copolymer having a minimum concentration of epoxidized units of at least about 3%, said primer bearing thereon an adhesive.
Dependencies are inferred from the claim text.